[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[bgp-stats] Routing Table Report - Japan view
Routing Table Report 04:00 +10GMT Tue 21 Dec, 2004
Analysis Summary
----------------
BGP routing table entries examined: 153160
Prefixes after maximum aggregation: 89776
Unique aggregates announced to Internet: 72627
Total ASes present in the Internet Routing Table: 18666
Origin-only ASes present in the Internet Routing Table: 16198
Origin ASes announcing only one prefix: 7598
Transit ASes present in the Internet Routing Table: 2468
Transit-only ASes present in the Internet Routing Table: 76
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 17
Prefixes from unregistered ASNs in the Routing Table: 9
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 16
Number of addresses announced to Internet: 1360714600
Equivalent to 81 /8s, 26 /16s and 219 /24s
Percentage of available address space announced: 36.7
Percentage of allocated address space announced: 59.3
Percentage of available address space allocated: 61.9
Total number of prefixes smaller than registry allocations: 71035
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 29975
Total APNIC prefixes after maximum aggregation: 14702
Prefixes being announced from the APNIC address blocks: 28034
Unique aggregates announced from the APNIC address blocks: 14493
APNIC Region origin ASes present in the Internet Routing Table: 2178
APNIC Region origin ASes announcing only one prefix: 649
APNIC Region transit ASes present in the Internet Routing Table: 327
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 16
Number of APNIC addresses announced to Internet: 169561856
Equivalent to 10 /8s, 27 /16s and 79 /24s
Percentage of available APNIC address space announced: 77.4
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
23552-24575
APNIC Address Blocks 58/7, 60/7, 202/7, 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 86409
Total ARIN prefixes after maximum aggregation: 52109
Prefixes being announced from the ARIN address blocks: 66127
Unique aggregates announced from the ARIN address blocks: 23817
ARIN Region origin ASes present in the Internet Routing Table: 9780
ARIN Region origin ASes announcing only one prefix: 3525
ARIN Region transit ASes present in the Internet Routing Table: 967
Average ARIN Region AS path length visible: 4.3
Max ARIN Region AS path length visible: 16
Number of ARIN addresses announced to Internet: 237061632
Equivalent to 14 /8s, 33 /16s and 70 /24s
Percentage of available ARIN address space announced: 70.6
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106
2138-2584, 2615-2772, 2823-2829, 2880-3153
3354-4607, 4865-5119, 5632-6655, 6912-7466
7723-8191, 10240-12287, 13312-15359, 16384-17407
18432-20479, 21504-23551, 25600-26591,
26624-27647,29695-30719, 31744-33791
ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/7, 72/8, 198/7, 204/6,
208/7 and 216/8
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 28703
Total RIPE prefixes after maximum aggregation: 19867
Prefixes being announced from the RIPE address blocks: 25616
Unique aggregates announced from the RIPE address blocks: 16165
RIPE Region origin ASes present in the Internet Routing Table: 6132
RIPE Region origin ASes announcing only one prefix: 3284
RIPE Region transit ASes present in the Internet Routing Table: 1053
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 17
Number of RIPE addresses announced to Internet: 183439872
Equivalent to 10 /8s, 239 /16s and 18 /24s
Percentage of available RIPE address space announced: 64.3
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614
2773-2822, 2830-2879, 3154-3353, 5377-5631
6656-6911, 8192-9215, 12288-13311, 15360-16383
20480-21503, 24576-25599, 28672-29695
30720-31743, 33792-34815
RIPE Address Blocks 62/8, 80/5, 88/8, 188/8, 193/8, 194/7, 212/7
and 217/8
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 6788
Total LACNIC prefixes after maximum aggregation: 2401
Prefixes being announced from the LACNIC address blocks: 6625
Unique aggregates announced from the LACNIC address blocks: 4055
LACNIC Region origin ASes present in the Internet Routing Table: 408
LACNIC Region origin ASes announcing only one prefix: 118
LACNIC Region transit ASes present in the Internet Routing Table: 77
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 15
Number of LACNIC addresses announced to Internet: 16913152
Equivalent to 1 /8s, 2 /16s and 19 /24s
Percentage of available LACNIC address space announced: 50.4
LACNIC AS Blocks 26592-26623, 27648-28671
LACNIC Address Blocks 200/7
Emerging AfriNIC Region Analysis Summary
----------------------------------------
Prefixes being announced by AfriNIC Region ASes: 1277
Total AfriNIC prefixes after maximum aggregation: 697
Prefixes being announced from the AfriNIC address blocks: 854
Unique aggregates announced from the AfriNIC address blocks: 679
AfriNIC Region origin ASes present in the Internet Routing Table: 95
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 13
Average AfriNIC Region AS path length visible: 4.5
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC addresses announced to Internet: 2097408
Equivalent to 0 /8s, 32 /16s and 1 /24s
Percentage of available AfriNIC address space announced: 12.5
AfriNIC AS Blocks <none>
AfriNIC Address Blocks 196/8
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4134 868 4433 168 Data Communications Bureau
1221 791 1184 565 Telstra Pty Ltd
9583 578 47 37 Satyam Infoway Ltd.,
4766 551 3409 271 Korea Internet Exchange for "
4755 441 176 92 Videsh Sanchar Nigam Ltd. Aut
17676 390 5852 60 XTAGE CORPORATION
9443 362 71 77 Primus Telecommunications
2907 356 1873 329 SINET Japan
9929 354 164 40 China Netcom Corp.
17557 321 23 157 Pakistan Telecom
703 313 344 244 UUNET
10036 292 26 266 C&M Communication Co. Ltd.
2764 287 272 230 connect.com.au pty ltd
7474 274 267 203 Optus Communications Pty Ltd
9800 232 381 71 CHINA UNICOM
4802 231 28 140 Wantree Development
9498 230 81 54 BHARTI BT INTERNET LTD.
7563 226 48 164 Korea Internet Infrastructure
4780 222 225 27 Digital United Inc.
4814 220 232 6 China Telecom (Group)
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7018 1425 6587 983 AT&T WorldNet Services
701 1080 8353 886 UUNET Technologies, Inc.
721 1062 21824 298 DLA Systems Automation Center
1239 932 2866 621 Sprint
2386 858 528 611 AT&T Data Communications Serv
6197 823 384 354 BellSouth Network Solutions,
4323 818 670 222 Time Warner Telecom
18566 755 208 6 Covad Communications
209 659 3405 505 Qwest
3356 618 10889 450 Level 3 Communications, LLC
20115 572 464 299 Charter Communications
3561 549 2385 416 Cable & Wireless USA
852 528 1126 401 Telus Advanced Communications
7843 483 733 95 Adelphia Corp.
6478 466 814 97 AT&T Worldnet Services
7132 452 8292 385 SBC Internet Services
6198 447 382 202 BellSouth Network Solutions,
27364 441 36 19 Armstrong Cable Services
5668 423 87 18 Century Telephone
22909 421 905 72 Comcast Cable Corporation
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
702 628 2023 519 UUNET - Commercial IP service
3320 296 2994 232 Deutsche Telekom AG
3301 286 1112 274 TeliaNet Sweden
8220 275 463 263 COLT Internet - International
21502 272 40 3 NUMERICABLE is a cabled netwo
680 251 2025 239 DFN-IP service G-WiN
3246 224 483 220 Song Networks
13083 217 51 8 Mannesmann Datenverarbeitung
1257 206 708 172 SWIPnet Swedish IP Network
8708 206 118 190 Romania Data Systems S.A.
5515 193 842 140 Sonera Solution Autonomous Sy
786 176 1794 176 The JANET IP Service
3215 175 990 77 France Telecom Transpac
6746 168 47 136 Dynamic Network Technologies,
8866 162 18 21 Bulgarian Telecommunication C
719 159 322 104 LANLINK autonomous system
3269 156 1329 70 TELECOM ITALIA
3300 153 165 77 AUCS Communications Services
25186 144 138 100 France Telecom Transpac's Tra
5400 135 216 118 BT Ignite European Backbone
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6140 350 139 72 ImpSat
8151 319 473 140 UniNet S.A. de C.V.
16814 234 14 6 NSS, S.A.
11172 215 99 55 Servicios Alestra S.A de C.V
6147 192 94 20 Telefonica Del Peru
11664 169 14 24 Keytech SA
7303 146 66 24 Telecom Argentina Stet-France
6505 140 90 96 Global One Communicaoes Ltda
6503 128 148 85 AVANTEL, S.A.
11992 102 9 31 Integrated Systems
14117 98 6 4 Telefonica del Sur S.A.
11556 97 48 3 Cable-Wireless Panama
14420 86 6 41 ANDINATEL S.A.
6535 84 7 25 Chilesat Servicios Empresari
11311 83 8 23 Sinectis S.A.
10481 82 32 7 Prima S.A.
13999 82 52 9 Mega Cable S.A. de C.V.
4270 80 18 9 Red de Interconexion Universi
5639 77 8 8 Telecommunications Services o
15311 77 23 37 Telefonica Empresas
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
3741 269 636 226 The Internet Solution
5536 113 16 4 Internet Egypt Network
2018 102 297 98 Tertiary Education Network
2905 75 271 68 The Internetworking Company o
20928 55 16 2 Noor Advanced Technologies AS
24835 42 34 7 RAYA Telecom - Egypt
8452 39 20 5 TEDATA
6713 34 38 9 Itissalat Al-MAGHRIB
9129 33 3 2 UUNET Kenya
5713 27 141 24 Telkom SA Ltd
12455 27 7 4 Jambonet Autonomous system
8524 25 1 4 AUCEGYPT Autonomous System
16637 22 10 19 Johnnic e-Ventures
10798 18 1 12 Standard Bank of South Africa
12258 18 3 12 Vodacom Internet Company
21280 17 2 3 Swift Global Kenya Ltd.Is an
8346 15 7 14 SONATEL-AS Autonomous System
15706 15 4 2 Sudatel Internet Exchange Aut
21491 14 1 3 UTL On-line is RF broadband I
15808 13 1 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
721 1062 764 DLA Systems Automation Center
18566 755 749 Covad Communications
4134 868 700 Data Communications Bureau
4323 818 596 Time Warner Telecom
9583 578 541 Satyam Infoway Ltd.,
6197 823 469 BellSouth Network Solutions,
27364 441 422 Armstrong Cable Services
5668 423 405 Century Telephone
22773 416 393 Cox Communications, Inc. Atla
7843 483 388 Adelphia Corp.
6478 466 369 AT&T Worldnet Services
4755 441 349 Videsh Sanchar Nigam Ltd. Aut
22909 421 349 Comcast Cable Corporation
6467 375 344 E.Spire Communications, Inc.
17676 390 330 XTAGE CORPORATION
9929 354 314 China Netcom Corp.
1239 932 311 Sprint
13609 328 294 Choice One Communications Inc
4355 393 292 EarthLink, Inc.
9443 362 285 Primus Telecommunications
List of Unregistered ASNs (Global)
----------------------------------
Bad AS Designation Network Transit AS Description
1877 UNALLOCATED 192.108.199.0/24 1876 Southern Methodist U
26422 UNALLOCATED 196.46.184.0/22 3741 The Internet Solutio
64512 PRIVATE 199.213.17.0/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.213.17.128/25 15296 Netera Alliance Inc.
64512 PRIVATE 199.216.97.0/28 15296 Netera Alliance Inc.
65002 PRIVATE 208.179.184.0/24 11509 The Pajo Group
65529 PRIVATE 216.21.199.0/24 14697 VDot.Net
65529 PRIVATE 216.152.237.0/24 14697 VDot.Net
65000 PRIVATE 217.68.56.0/22 29263 HAAGnet, municipalit
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
132.0.0.0/10 721 DLA Systems Automation Center
137.0.0.0/13 721 DLA Systems Automation Center
158.0.0.0/13 721 DLA Systems Automation Center
192.44.0.0/19 702 UUNET - Commercial IP service
192.70.164.0/24 25689 National Research Council of
192.83.16.0/20 5515 Sonera Solution Autonomous Sy
192.83.32.0/19 5515 Sonera Solution Autonomous Sy
192.83.96.0/22 5515 Sonera Solution Autonomous Sy
192.83.100.0/24 5515 Sonera Solution Autonomous Sy
192.84.205.0/24 719 LANLINK autonomous system
192.119.135.0/24 270 NASA
192.135.50.0/24 7018 AT&T WorldNet Services
192.136.79.0/24 719 LANLINK autonomous system
192.172.0.0/19 721 DLA Systems Automation Center
192.172.11.0/24 721 DLA Systems Automation Center
192.200.100.0/24 7018 AT&T WorldNet Services
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:20 /9:3 /10:7 /11:15 /12:59
/13:138 /14:315 /15:562 /16:8220 /17:2337 /18:4004
/19:10016 /20:10610 /21:8153 /22:11370 /23:12916 /24:83508
/25:272 /26:239 /27:126 /28:58 /29:35 /30:129
/31:0 /32:48
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 740 755 Covad Communications
6197 669 823 BellSouth Network Solutions,
2386 628 858 AT&T Data Communications Serv
7018 583 1425 AT&T WorldNet Services
27364 427 441 Armstrong Cable Services
9583 408 578 Satyam Infoway Ltd.,
702 383 628 UUNET - Commercial IP service
1239 373 932 Sprint
4766 371 551 Korea Internet Exchange for "
5668 366 423 Century Telephone
6198 326 447 BellSouth Network Solutions,
10036 292 292 C&M Communication Co. Ltd.
6517 286 309 Yipes Communications, Inc.
13609 286 328 Choice One Communications Inc
6467 285 375 E.Spire Communications, Inc.
9929 283 354 China Netcom Corp.
21502 269 272 NUMERICABLE is a cabled netwo
4323 265 818 Time Warner Telecom
701 263 1080 UUNET Technologies, Inc.
11456 258 303 Carolina Online, Inc.
Number of /24s announced per /8 block (Global)
----------------------------------------------
4:4 8:10 12:1454 13:1 15:5 16:2
17:3 18:3 20:4 24:715 32:66 33:3
38:87 40:55 44:3 47:2 52:3 55:2
56:3 57:23 60:11 61:701 62:521 63:1847
64:2518 65:2080 66:2526 67:478 68:520 69:854
70:46 71:1 72:20 80:525 81:612 82:377
83:214 84:82 85:33 128:108 129:163 130:89
131:192 132:36 134:190 135:30 136:189 137:70
138:189 139:34 140:230 141:110 142:135 143:123
144:165 145:40 146:283 147:96 148:263 149:129
150:92 151:62 152:118 153:70 154:2 155:132
156:62 157:72 158:137 159:162 160:61 161:58
162:383 163:83 164:222 165:170 166:125 167:222
168:366 169:131 170:313 171:8 192:5659 193:3007
194:2214 195:1543 196:592 198:3896 199:3301 200:3960
201:34 202:4982 203:5828 204:3589 205:2102 206:2297
207:2540 208:2105 209:3065 210:1579 211:702 212:1161
213:1262 214:229 215:31 216:3746 217:1069 218:179
219:88 220:300 221:87 222:32
End of report
